Money item acceptor

Abstract

An acceptor for money items, comprises sensor circuitry (S1-S4) to provide individual money items signals (RS) depending on items of money under test, and a processor configuration (11) to develop for each of the money items under test, a transformed money item signal (Tnew) as a function of the value of the money item signal and at least one variable parameter (A) that is a function of a fraud criterion such as history data (AVG Dn and MAX Dn) relating to the values of the money item signals for previously tested money items, to make a comparison of the values of the transformed money item signals (Tnew) with a fixed window limit value (W2, L3) and to accept each money item if it falls within the window limit.

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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    EP-1156458-A2November 21, 2001Mars IncorporatedMethod and apparatus for improved coin, bill and other currency acceptance and slug or counterfeit rejection
    GB-1559577-AJanuary 23, 1980Libandor Trading Corp IncMethod of checking coins and coin checking apparatus for the aforesaid method

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